Tag: Mechanical

Drill Bit Coatings

Published on in Series Basics of Drill Bits

Coatings are used for improving the physical properties of drill bits. Black oxide Black oxide coated HSS drill bits have better corrosion resistance. They last longer than basic HSS bits and work well on a variety of materials, including metal, hardwood, softwood, PVC and fiberglass. Titanium Titanium coated HSS drill bits produce less friction and have high heat limit. They’re tougher than basic HSS bits and stay sharp longer. These drill bits can cut a broad variety of materials such as steels, irons, wood and plastic.

Drill Bit Materials

Published on in Series Basics of Drill Bits

There are may specialized materials for making drill bits, but these are the materials generally used to make drill bits. Carbon Steel High Speed Steel (HSS) Carbon Steels Low carbon steel Low carbon steel is relative inexpensiveness when compared to other materials.They are used to make drill bits for drilling soft materials like wood. They can be sharpened to extend their lifespan. Most of the cheap drill bits are made of this materials.

Basics of Drill Bits

Published on in Series Basics of Drill Bits

There are many types of drill bits specialized for different application. In this guide we will try to explain the basic of drill bit so you can select the right drill bit for your application. Parts of a Drill Bit (aka Drill Bit Anatomy) Hope we need NOT to explain the above image. If you have any questions leave it in comments, then we try to explain them. Drill Bit Size Metric dimensioning is generally preferred for drill bits in India.

Dummies Guide To Miniature Radial Ball Bearings And Their Types

Published on in Category Basics

In this article we will see in details about the roller/radial bearings, and its types and dimensions. Parts in Bearing ##Seals and Shields To help retain bearing lubrication and prevent contamination from the environment a seal (contact) or shield (non-contact) can be employed. Often no seal (Open) is required when the bearing will be housed and externally lubricated or when operated in a vacuum. Seal Identification Type Symbol Properties Cost Description Shield Z They have fair dust resistance and poor water resistance.